- Acids:taste sour and feel sticky
- Bases:taste bitter and feel slippery
- There are several different definitions of acids and bases and it is important to distinguish between them all
- Bases=7.1-14
- acids=1-6.9
- Arrhenius acids are those species that produce hydrogen ions in solution
- Arrhenius bases are those species that produce hydroxide ions in solution

http://www.chem4kids.com/files/react_acidbase.html
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